4MP sits at the practical sweet spot for most trade installs: sharper than 2MP for identification at range, without the bandwidth and storage load of 4K/8MP. This range covers bullet, turret and PTZ form factors across fixed and motorised varifocal lenses, all PoE.
Match lens type and illumination to the scene first; form factor and zoom follow the mounting position and coverage distance required.
4MP gives roughly 2560x1440 resolution, sharper than 2MP/1080p for identifying detail at distance while keeping bandwidth lower than 4K/8MP sensors.
Yes, every camera in this 4MP range is PoE, so a single Ethernet run handles both power and data to an NVR or PoE switch.
The DS-2DE4425IW-DE offers 100m IR range while the DS-2DE4A425IW-DE offers 50m IR range; both carry 25x optical zoom.
ColorVu models are designed to retain colour detail in low-light scenes rather than switching to monochrome IR, useful where colour identification matters overnight.
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